COVID-19 vaccine effectiveness against SARS-CoV-2 infection during the Delta period, a nationwide study adjusting for chance of exposure, the Netherlands, July to December 2021.

van Ewijk, Catharina EKooijman, Marjolein NFanoy, EwoutRaven, Stijn FhMiddeldorp, MaritShah, Anitade Gier, Brechjede Melker, Hester EHahné, Susan JmKnol, Mirjam J2022-11-152022-11-153636701110.2807/1560-7917.ES.2022.27.45.2200217http://hdl.handle.net/10029/626223enCOVID-19NetherlandsSARS-CoV-2exposuretest-negative case-controlvaccine effectivenessCOVID-19 vaccine effectiveness against SARS-CoV-2 infection during the Delta period, a nationwide study adjusting for chance of exposure, the Netherlands, July to December 2021.Article1560-7917Euro surveillance 2022;27(45):pii.2200217